LED Resistor Calculator
Calculate the resistor value and power consumption needed to drive an LED.
Power presets:
V
3.0–48.0 V
LED color presets:
V
1.0–4.0 V (Red: 2.0 V / Green: 2.2 V / Blue: 3.2 V / White: 3.3 V / Ultraviolet: 3.4 V)
mA
0.1–100 mA (typical LED: 20 mA)
Result
Required Resistance
— Ω
- Power Consumption
- — W
- Nearest E24 Value
- — Ω
